ID 512640 - The {ext} keyword does not work for Audio Export

Problem summary
The {ext} keyword does not work for Audio Export, and the following error is returned:
 

 
Customer reported version
Hiero 13.2v1
 
Customer reported platform
Windows 10
 
Steps to reproduce
 
1) Open Hiero.
 
2) Import an audio file (File > Import File(s)...).
 
3) Right click the clip > Export.
 
4) Select Process as Clips, then the Transcode Clips DPX preset.
 
5) Under the CONTENT column, change Transcode Images to Audio Export.
 

 
6) Click Export.
 
Expected behaviour
The {ext} keyword should be evaluated as wav for Audio Exports.
 
Actual behaviour
The {ext} keyword does not work for Audio Exports, and returns an error:
 

 
Workaround
Manually define the .wav extension in the export preset, rather than using the {ext} keyword. For example:
 

 
Reproduced by support
This bug has been reproduced in:
Hiero 13.2v2 - Windows 10 - macOS 12.4 (Monterey) - Linux CentOS 7
Hiero 12.0v1 - Windows 10 - macOS 12.4 (Monterey) - Linux CentOS 7
Nuke Studio 9.0v1 - Windows 10
 
Earliest version tested
Nuke Studio 9.0v1
- This issue appears to be in all tested versions of the product